Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Timothy J. O'Neill, MD

Individual provider Internal Medicine Physician · NPI 1831172295

Dr. Timothy J. O'Neill, MD is an Internal Medicine in San Diego, California. Graduated from George Washington University School of Medicine in 1997, 29 years ago. Practices with Scripps Health Inpatient Providers Medical Group Inc, a 208-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
29
Trained at
George Washington University School of Medicine
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2850 6th Ave Ste 503
San Diego, CA 92103-6308
Phone: (619) 260-0670
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A67900 (CA)

Record details

NPI number1831172295
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 21, 2005
Last updated in NPPESAugust 29, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Scripps Health Inpatient Providers Medical Group Inc — 208 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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